Least Common Multiple (LCM) of 111 and 115
The least common multiple (LCM) of 111 and 115 is 12765.
What is the Least Common Multiple (LCM)?
The LCM of two integers is the smallest positive integer that is divisible by both numbers. It is often used to find common denominators and solve problems involving periodic events.
Formula for LCM
The LCM of two numbers can be calculated using their GCD:
LCM(a, b) = |a × b| ÷ GCD(a, b)
How to Calculate the LCM of 111 and 115?
First, calculate the GCD of 111 and 115 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 111 ÷ 115 = 0 remainder 111 |
| 2 | 115 ÷ 111 = 1 remainder 4 |
| 3 | 111 ÷ 4 = 27 remainder 3 |
| 4 | 4 ÷ 3 = 1 remainder 1 |
| 5 | 3 ÷ 1 = 3 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 15 and 142 | 2130 |
| 169 and 133 | 22477 |
| 149 and 18 | 2682 |
| 144 and 120 | 720 |
| 95 and 117 | 11115 |